The Basic Practice of Statistics 7th Edition

by Moore, David S.; Notz, William I.; Fligner, Michael A.

Published by W. H. Freeman

ISBN 10: 146414253X

ISBN 13: 978-1-46414-253-6

Chapter 25 - Two Categorical Variables: The Chi-Square Test - Chapter 25 Exercises - Page 605: 25.41

Answer

See below.

Work Step by Step

Each row has $64$ subjects, thus all of the subjects underwent both treatments. Thus we cannot use the chi-square test, because each subject should be counted only once in a two-way table.

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